Studies on Polymerization of α-Pinene Initiated by a New System AlCl3/Activator/Donors(Ⅲ)——Function of the SbCl3 Component in the System

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (1): 130.

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Studies on Polymerization of α-Pinene Initiated by a New System AlCl₃/Activator/Donors(Ⅲ)——Function of the SbCl₃ Component in the System

DENG Yun-Xiang¹, ZHANG Ren-Jun¹, LU Jiang¹, LIU Shi-Nan²

1. Departmeat of Chemistry, Zhoagshm University, Guangzhou, 510275;
2. Department of Polymer Chemistry, Family of Engiaeermg, Kyoto University.Kyoto, Japan

Received:1992-02-18 Revised:1992-06-01 Online:1993-01-24 Published:1993-01-24

Abstract

Abstract: In this study, we investigated the polymerization of α-pinene, the copolymerization of α-pinene/styrene and the isomerization reaction of a-pinene with the AlCl₃/SbCl₃ or AlCl₃/SbCl₃/EBsystem, in terms of the effects of SbCl₃ component on the kinetics of the polymerization, the molecular weight, molecular weight distribution, and structures of the isomerization products.The results show that SbCl₃ is necessary for the formation of higher oligomers, while to suppress the dimer formation.The a-pinene oligomers of relatively high molecular weight (q= 1140, M_w = 2590) were obtained in a good yield(>90 wt%), with a minimun contamination of the dimer(-5 wt%).On the other hand, the SbCl₃ component achieved good results for promoting copolymerization of α-pinene/ styrene and reduction of isomerization product.

Key words: Polymerization of α-pinene, Copolymerization, Isomerization products, SbCl₃

TrendMD:

DENG Yun-Xiang, ZHANG Ren-Jun, LU Jiang, LIU Shi-Nan, Toshinobu Higashimura. Studies on Polymerization of α-Pinene Initiated by a New System AlCl₃/Activator/Donors(Ⅲ)——Function of the SbCl₃ Component in the System[J]. Chem. J. Chinese Universities, 1993, 14(1): 130.

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Studies on Polymerization of α-Pinene Initiated by a New System AlCl₃/Activator/Donors(Ⅲ)——Function of the SbCl₃ Component in the System

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